/* =========================================================
   ChainVerifier — Changelog Page Styles (Compact)
   ========================================================= */

/* ─── Fallback variables ─── */
:root {
    --primary: #1f6aa5;
    --primary-dark: #15568a;
    --primary-light: #e6f0fa;
    --green: #4caf50;
    --yellow: #ffd21f;
    --black: #0f1419;
    --text: #1e2a35;
    --muted: #6b7a8a;
    --border: #d8e2ec;
    --white: #ffffff;
    --bg: #f4f7fb;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-full: 999px;
    --space-2: 6px;
    --space-3: 10px;
    --space-4: 14px;
    --space-5: 18px;
    --space-6: 22px;
    --space-7: 28px;
    --text-xs: 10.5px;
    --text-sm: 12px;
    --text-base: 13px;
    --text-md: 14px;
    --text-lg: 15px;
    --fw-bold: 700;
    --fw-black: 900;
    --t-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glow-blue: 0 8px 20px rgba(31, 106, 165, 0.18);
}

/* ─── Changelog List ─── */
.changelog-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 900px;
    margin: 0 auto;
}

/* ─── Changelog Item (Compact Card) ─── */
.changelog-item {
    background: #ffffff;
    border: 1px solid #d8e2ec;
    border-radius: 10px;
    padding: 16px 20px;
    transition: all 0.15s ease;
    box-shadow: 0 2px 6px rgba(15, 40, 80, 0.04);
}

.changelog-item:hover {
    border-color: #1f6aa5;
    box-shadow: 0 8px 20px rgba(31, 106, 165, 0.15);
    transform: translateY(-1px);
}

/* ─── Head (version + date) ─── */
.changelog-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eef3fc;
    flex-wrap: wrap;
}

.changelog-version {
    padding: 4px 12px;
    background: #1f6aa5;
    color: #ffffff;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.2px;
}

.version-latest-badge {
    padding: 3px 9px;
    background: #ffd21f;
    color: #0f1419;
    border-radius: 999px;
    font-size: 9.5px;
    font-weight: 900;
    letter-spacing: 0.4px;
}

.changelog-date {
    color: #6b7a8a;
    font-size: 11.5px;
    font-weight: 700;
}

/* ─── List items ─── */
.changelog-list-items {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px 16px;
}

.changelog-list-items li {
    padding: 3px 0 3px 16px;
    color: #1e2a35;
    font-size: 12.5px;
    line-height: 1.5;
    position: relative;
    break-inside: avoid;
}

.changelog-list-items li::before {
    content: "\25B8";
    position: absolute;
    left: 0;
    color: #1f6aa5;
    font-weight: 900;
    font-size: 12px;
}

/* ─── Download button ─── */
.changelog-actions {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #eef3fc;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.changelog-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: #1f6aa5;
    color: #ffffff;
    border-radius: 6px;
    font-size: 11.5px;
    font-weight: 900;
    transition: all 0.15s ease;
    text-decoration: none;
}

.changelog-download:hover {
    background: #15568a;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(31, 106, 165, 0.25);
}

/* ─── Loading spinner ─── */
.changelog-loading {
    padding: 40px 20px;
    text-align: center;
}

.changelog-loading-spinner {
    width: 36px;
    height: 36px;
    margin: 0 auto 14px;
    border: 3px solid #e6f0fa;
    border-top-color: #1f6aa5;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.changelog-loading-text {
    color: #6b7a8a;
    font-size: 12.5px;
    font-weight: 700;
}

/* ─── Responsive ─── */
@media (max-width: 720px) {
    .changelog-list-items {
        grid-template-columns: 1fr;
    }
    .changelog-item {
        padding: 14px 16px;
    }
    .changelog-version {
        font-size: 12px;
        padding: 3px 10px;
    }
    .changelog-list-items li {
        font-size: 12px;
    }
}